WO1993003597A2 - Dispositif pour vehicules et machines - Google Patents

Dispositif pour vehicules et machines Download PDF

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Publication number
WO1993003597A2
WO1993003597A2 PCT/EP1991/001581 EP9101581W WO9303597A2 WO 1993003597 A2 WO1993003597 A2 WO 1993003597A2 EP 9101581 W EP9101581 W EP 9101581W WO 9303597 A2 WO9303597 A2 WO 9303597A2
Authority
WO
WIPO (PCT)
Prior art keywords
coupling
rotation
swivel
axis
pivoting
Prior art date
Application number
PCT/EP1991/001581
Other languages
German (de)
English (en)
Other versions
WO1993003597A3 (fr
Inventor
Josef Nusser
Original Assignee
Josef Nusser
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Josef Nusser filed Critical Josef Nusser
Priority to PCT/EP1991/001581 priority Critical patent/WO1993003597A2/fr
Publication of WO1993003597A2 publication Critical patent/WO1993003597A2/fr
Publication of WO1993003597A3 publication Critical patent/WO1993003597A3/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/02—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt
    • E01H1/05—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B59/00—Devices specially adapted for connection between animals or tractors and agricultural machines or implements
    • A01B59/06—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors
    • A01B59/066—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors of the type comprising at least two lower arms and one upper arm generally arranged in a triangle (e.g. three-point hitches)
    • A01B59/068—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors of the type comprising at least two lower arms and one upper arm generally arranged in a triangle (e.g. three-point hitches) the lower arms being lifted or lowered by power actuator means provided externally on the tractor
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface

Definitions

  • the invention relates to devices for vehicles and machines or devices, such as tractors, trucks, cleaning machines, bulldozers, mowers, agricultural and construction machinery, quick-coupling devices and the like, for attaching and lifting attachments and machines.
  • Consequences There are also devices that are to be subjected to additional loads, this is generally done by means of balancing weights or by pressing the devices down by means of hydraulic cylinders. Many attempts have been made to load or unload the devices by means of loading or unloading springs. Because of the spring characteristic that determines the spring force, this was only unsatisfactory. The entire team must be built stably and costly.
  • the object of the invention is to avoid these known disadvantages and to create a simple, reliable and economical device of the aforementioned type with little effort, in which, according to the currently desired device weight and weight relief of the device, part of the device weight on the vehicle, or part of the vehicle weight is transferred to an attached device for weight loading.
  • the currently desired device weight and weight relief of the device part of the device weight on the vehicle, or part of the vehicle weight is transferred to an attached device for weight loading.
  • On uneven terrain, good, smooth-running should largely be independent of the current position of the vehicle
  • 1 is a tractor partially, with lifting arms, top link and swivel devices, from the side,
  • Fig. 2 shows a swivel device between the top link
  • Fig. 3 shows the front part of a tractor with attached
  • Fig. 4 a snow plow attached to a vehicle
  • FIG. 5 shows a crawler vehicle with a dozer and one
  • Fig. 11 device attached to the front of a tractor
  • FIG. 12 a mower mounted on the front of a tractor and a swivel device from the side
  • FIG. 13 an adjustable swivel device
  • Fig. 23 shows a support frame for an attachment with a
  • 34 to 37 each show, in perspective, a swivel device designed as a spatial link mechanism and effective around two axes.
  • Fig. 41 shows a mounting frame and a quick coupling triangle
  • Fig. 42 a mounting frame, a quick coupling triangle
  • Fig. 44 an attachment designed as a mowing table
  • a mower for attaching to a tractor and with its own chassis and a swivel device
  • Fig. 49 attached to a vehicle sweeping brush
  • Fig. 57 is a profile cross section of a quick coupling triangle ⁇
  • Fig. 58 an upper link with a swivel device
  • FIGS. 59 and 60 hip arms with Schenkvorrich-. on the side. 1 shows from the side partially a vehicle 1 which represents a tractor and is provided with an attachment device which consists of an upper link 5 and two lifting arms 2, only one lifting arm 2 being shown.
  • a quick coupling triangle 6 is connected via the articulations 7, 8 and is coupled to the attachment 12 in the usual way.
  • a pivoting device S1 is switched on, which permits pivoting movements about an axis of rotation D1 and thus between the vehicle 1 and the cube arms 2, so that the cube arms 2 can be pivoted in height.
  • a swivel device S1 is formed from the two links 4 and the coupling a, b connecting the two link 4 via the joints 3, the coupling a on
  • Vehicle 1 is attached or part of the same and the coupling b is part of a lifting arm 2.
  • the straight lines or path normal 14 of the link 4 go through the joints 3 and form an intersection at one
  • Rotation axis D1 which is the instantaneous pole of one
  • Quadrangles a, b, 3, 4 represents.
  • the axis of rotation D1 runs transversely to the direction of travel R and is lower than the pivoting device 31 and also represents the ideal pushing or pulling point and an axis of rotation for the lifting arms 2.
  • the links 4 can, depending on the requirements, at different articulation points 3a of the coupling a, b be articulated so that the position of the axis of rotation D1 is changed.
  • the axis of rotation D1 can also be higher than the swivel device S1.
  • the lifting arms 2 can be swiveled up by means of a lifting device, not shown.
  • a swivel device S1 is also switched on with an axis of rotation D1 which is transverse to the direction of travel R and higher, such as the swivel device S1 and also at the intersection of the straight line or the track norm paint 14 the handlebar 4 is located and represents the axis of rotation for the upper link 5 and its ideal thrust or pull point.
  • the position of this axis of rotation D1 can be determined as desired.
  • the joints 3 of the four-bar linkage a, b, 3, b forming the swivel device 51 are to be arranged accordingly.
  • the axis of rotation can also be lower than the swivel device S1.
  • the coupling b is a part of the vehicle 1 and the coupling a is a part of the upper link 5.
  • the position of an axis of rotation D1 can also be changed by changing the length of at least one link of the four-bar linkage a, b, 4, 4. In this way, axes of rotation D1 can also lie below the Rodon surface 11.
  • the lifting arms on the linkages 7 cause upward component of the pushing force and at the articulations 8 also directed upward tensile force, the attachment 12 'is relieved of weight and this weight portion is transferred to the vehicle 1 because the swiveling devices S1 braced and therefore the front link 4 to train and the rear link 4 to be stressed.
  • the swiveling device S1 assigned to the lifting arms 2 is designed in such a way that its axis of rotation D1 is relatively high and the thrust line 2 'is inclined forward.
  • the axis of rotation D1 of the upper link 5 can also be set so far that the traction line 5 'rises to the front. Both cubic arms 2 can be swiveled independently of one another and allow an eoden adaptation.
  • the two Ilub arms 2 are articulated on the vehicle 1 on the articulation 10 of the upper link 5 and on the articulations 9, and the lifting arms are connected to a unit by means of the cubic shaft l6 and to which the articulations are made via the articulations 7 Quick connector triangle 6 is connected.
  • a swivel device S1 is switched on, which permits pivoting movements between the upper link 5 and the quick coupler triangle 6 about an axis of rotation D1.
  • the coupling a is part of the upper link 5 and the coupling b is part of the quick coupling triangle 6.
  • 3 shows from the side an attachment 12 designed as a packer roller attached to a vehicle 1 shown in partial view.
  • the swivel device S1 is formed by a four-bar linkage a, b, 3, 4 and establishes the swivel connection between the upper link 5 and the attachment 12, with an axis of rotation D1 which represents an ideal pushing or pulling point for the attachment 12 and is higher as the Schwenlcvorraum S1. This results in a train line 5 'which rises sharply to the front and which passes through the linkage 10 and the axis of rotation D1.
  • the train line 5 ' has a downward force component because, due to the travel and working resistance of the attachment 12, the pivoting device S1 is tensioned in such a way that the upper link 5 is pressed down at the front.
  • an attachment 12 designed as a tendon scraper is attached to the front of a vehicle 1. Between the two cube arms 2, only one of which is shown, and the attachment 12, a swiveling device S1 is switched on.
  • the coupling a is associated with the attachment 12 and the coupling b with a lifting arm 2.
  • FIG. 5 shows a side view of a vehicle 1 designed as a bulldozer with an attachment 12 designed as a dozer blade attached to two cubic arms 2, only one of which is shown and which can be pivoted vertically by means of pivoting devices S1
  • Vehicle 1 are attached and can be pivoted up about an axis of rotation D1 by means of a lifting device 15.
  • the swiveling devices S1 are formed by quadrangles a, b, 3, 4.
  • the coupling a represents part of a lifting arm 2 and the coupling b represents a part of the vehicle 1, the ideal line b ′ shown in dashed lines crossing the coupling a.
  • the links 4, 4 establish the connection between the coupling a and the vehicle 1 or the coupling b via the joints 3 and are articulated in such a way that their straight lines or path normals 14 intersect and determine the axis of rotation D1 at their intersection and the lies in the plane of the floor surface 11.
  • the axis of rotation D1 represents the ideal pushing and pulling point between the vehicle 1 and the lifting arms 2 or the attachment 12.
  • the position in the plane of the floor surface 11 is favorable for the pulling behavior of the vehicle 1 and the work of the attachment 12. Furthermore Compensate pitching movements of the vehicle and thereby avoid peak loads. If the attachment 12 is further sectected, the axis of rotation D1 automatically shifts further downward, it can also lie below the ground surface 11. When lifting, the axis of rotation D1 also moves upwards.
  • FIG. 6 shows from the side a lifting arm 2 for a tractor in two lifting positions with a swiveling device S1.
  • the lowered position is drawn in solid lines and has a deep axis of rotation D1.
  • the swung-up Kubarra 2 and the Handlebar 4 in the changed position are shown in broken lines with a vertical axis D1, because this is always at the intersection of the straight line 14 of the handlebar 4, the lifting arm 2 is pivoted up and down, then the axis of rotation D1 moves up and down from, so that the thrust and pull line 2 'extending from the axis of rotation D1 to the linkage 7' approximately maintains its inclination at each height of the linkage 7.
  • FIG. 7 shows a top view of a vehicle 1 designed as a tractor with wheels 17 partially with
  • Lifting arms 2 which are attached via intermediate pivoting devices S1 and allow the pivoting devices S1, pivoting movements of the lifting arms 2 'about an approximately vertical axis of rotation D2.
  • the swiveling devices S1 are formed from quadrangular joints a, b, 3, 4.
  • the link 4 establish the connection between the coupling a, b via the joints 3, wherein a coupling a
  • Transverse axis is pivotally mounted on the vehicle 1.
  • the straight lines or path normals 14 of the links 4 determine at their intersection an axis of rotation D2 which at the same time represents a push or pull point for the lifting arms 2.
  • the force acting on the articulations 7 in the direction of travel R causes the locking devices S1 to be braced, thereby producing a moment acting on the cube arms 2 with the aim of
  • arms 18 are attached with joints 3 to which the links 4 are articulated.
  • the link 4 establish the connection to the coupling a-b via further joints 3.
  • an axis of rotation D1 lying transversely below the swivel device 51 is formed.
  • another Schwenlcvorraum S1 is formed with an approximately vertical axis of rotation D2 and which lies at the intersection of the straight line 14 of the approximately lying link 4.
  • the combination of two pivoting devices S1 allows pivoting movements of the lifting arms 2 about an axis of rotation D1 and D2.
  • a lifting device 15 is provided for lifting the lifting arms.
  • a swiveling device S2 is formed between the vehicle 1 and the lifting arms 2 and is formed from a spatial steering gear and allows swiveling movements about an axis of rotation D1 and an approximately vertical axis of rotation D2.
  • the coupling aa belonging to this vehicle 1 has three
  • FIG. 10 shows a further one connecting arm 2 with a vehicle 1 from a spatial
  • the plane of the rear link 4 'and the plane of the front link 4' determine the position of the rotary actuators D2 at their intersection.
  • the axis of rotation D1 lies at the intersection of approximately the straight line of the links 4 '. This configuration allows pivoting movements of the lifting arms 2 about axes of rotation D1 and D2.
  • FIG. 11 shows partially a vehicle 1 representing a tractor with an attached attachment 12.
  • the lifting arms 2 are attached to the vehicle 1 by means of an interposed swiveling device S1.
  • the coupling a is part of the lifting arm and the coupling b is part of the vehicle 1.
  • the axis of rotation D1 lies at the level of the linkage 7 and moves up and down with it.
  • the linkage 5 is articulated on the articulation 10 on the vehicle 1 and is connected to the triangle 6 via an interposed quadrilateral joint a, b, 3, 4 and whose instantaneous pole determines the axis of rotation D1 which lies above and behind the articulation 10.
  • This Geienkviereck a, b, 3, 4 is so braced by the working resistance of the attachment 12 in a direction of travel R. that the same exerts an upward moment on the quick coupler triangle 6 and presses this moment down on the linkage 10 in the opposite direction.
  • Coupling a with the rollers or sliding bodies 22 and the coupling b associated with the upper link 5 with the guideways 21 are formed, the rollers being guided in the guideways 21.
  • the guideways 21 are designed and arranged such that their path normals 14 or the rollers 22 determine the axis of rotation D1 at the intersection of one. This embodiment has an effect similar to that of FIG. 11.
  • FIG. 13 shows a swivel device S 1 with variable-length couplings, b and links 4, with a link 4 being designed as an adjusting cylinder. The effect of this swiveling device S1 can thereby be set.
  • the link 14 shows a quick coupling triangle 6 which is provided with a swiveling device 31 and which permits the swiveling movements about an axis of rotation D3 of the quick coupling triangle 6 in the direction of travel relative to the articulations 7 and is formed by an articulated quadrilateral.
  • the links 4 are articulated on the quick coupling triangle 6, which represents a coupling b, by means of joints 3, which establish the connection to the coupling a via further joints 3 and which form part of the supporting axis 23.
  • the ideal line b 'of the coupling b is shown interrupted.
  • the straight lines 14 of the link 4 determine the position of the axis of rotation D3 at the intersection.
  • the support shaft 23 has articulations 7 designed as bolts, furthermore there are several Ge Steering points 3a attached to which the handlebars 4 can be articulated. As a result, the axis of rotation D3 can be higher than the pivoting device 31 and the articulations 7.
  • the quick coupling triangle 6 shown in FIG. 15 from the front or rear is provided with a swiveling device S1 which is formed from a four-bar linkage a, b, 3, 4, the coupling a being a part of the supporting axis 23 and the coupling b being part of the quick coupling triangle 6.
  • the lines a ', b' represent the ideal lines of the couplers a, b.
  • the axis of rotation D3 is identical to the instantaneous pole of the quadrilateral joint.
  • the relatively high position above the articulations 7, which are part of the support shaft 23, is intended to ensure that it lies above the center of gravity of an attached device and in the raised state thereof, the pivoting device S1 ensures a stable position.
  • the curved shape of the coupling a allows sufficient space for a drive shaft leading from a vehicle to an attachment.
  • FIG. 1b In Fig. 1b between the articulations 7 which form part of the support axis 23 and the quick coupling triangle 6 a Schwenlcvorraum S1 switched on which allows pivoting movements about a pivot axis D3, the coupling a or the support axis 23 has guideways 21 in which rollers 22 are guided are and which are rotatably attached to the coupling b or the quick coupling triangle 6.
  • the axis of rotation D3 lies at the intersection of the path normal 14 of the guideway 21 or the rollers 22.
  • the linkages 7 are part of the support axis 23.
  • the spatial representation of FIG. 17 shows a
  • Quick coupling triangle 6 which is provided with a swiveling device S3 and which permits swiveling movements about an axis of rotation D3 lying in the direction of travel between the articulations 7 and the quick coupling triangle 6.
  • the levers 24 to which the articulations 7 are attached are fastened to the quick-coupling triangle 6 by means of joints 25 so that they can be pivoted in height.
  • Rocker 26 is held on the quick coupling triangle 6 so that it can be pivoted via a bolt 27.
  • Two rods 28 provide the connection between the rocker 26 via the joints 29
  • This provides a drive connection between the two levers 24 in such a way that when on one side a lever 24 with an articulation 7 is pushed up, the other lever 24 with the articulation 7 is pressed down. It can be from
  • the drive connection between the two articulations 7 has a transmission ratio which is selected such that when an articulation 7
  • two planes 24 with articulations 7 are pivotably attached by means of the joints 25.
  • the levers 24 have further joints 29 on which rods 28 are articulated and to
  • the quick coupling triangle 6 has two articulated quadrilaterals with parallel links 30 and which are held on the quick coupling triangle 6 so as to be pivotable via the joints 31.
  • Couplings 32 are attached to further joints 31 of the links 30 and they have articulations 7. At the joints 29 of the lower one
  • Handlebars 3 ° are rods 28 which, via the rocker 26, establish the drive connection between the two quadrilaterals and thus between the two linkages 7. As a result, a swivel device S3 is formed and the swivel movements about an axis of rotation D3 are permitted.
  • the handlebars 30 are articulated on the one hand by means of joints 31 to the quick coupling triangle 6 and are connected to each other at further joints 31 via the coupling 32.
  • the coupling 32 has one. Arm on which the linkages 7 are attached, the
  • Rods 28 articulated via the articulations
  • FIG. 21 shows a quick coupling triangle 6 with a swivel device S3 which permits swivel movements of the quick coupling triangle 6 with respect to the articulations 7 about an axis of rotation D3.
  • an articulated quadrilateral is formed on both sides of the quick coupling triangle 6, with links 30 which are articulated on the quick coupling triangle 6 by means of joints 31.
  • the couplers 32 establish the connection between two links 30 via further joints 31.
  • the couplers 32 have articulations 7.
  • the hydraulic cylinders 30 are attached to the quick coupling triangle 6 by means of the articulations 35, each with an upper link 30 and via the articulations 36.
  • the ratio of the up and down movement between the two linkages 7, 7 is chosen by the position of the linkage en 35, 36 so that, starting from the normal position, the upward movement of the giner linkage 7 requires a greater downward movement of the other linkage 7.
  • the levers 24 are articulated on both sides of the quick coupling triangle 6 by means of the joints 25.
  • the hydraulic cylinders 33 produce a stroke connection between the two via links 35 on levers 24 and links 36 on the quick coupling triangle 6.
  • the line 34 connects the two hydraulic cylinders 33 or their pressure media. Becomes a. Kebel 24 pivoted, the other lever is also pivoted, but in the opposite direction. So is created a swivel device S3 with an axis of rotation D3 lying in the longitudinal direction of the vehicle.
  • Fig. 23 shows the attachment of a Schwenlcvorraum S directly on the support frame of an attachment 12 with an extending in the vehicle longitudinal axis
  • the coupling a represents part of the lifting arms 2 and the coupling b represents part of a vehicle 1.
  • the two pivoting devices S1 are designed such that the axis of rotation D1 is lower than the axis of rotation D3,
  • Fig. 26 shows a Schwenlcvorraum S1 in which the coupling a and the coupling b intersect.
  • the lower coupling a represents part of an overhead vehicle 1 and the coupling b represents a part of a lifting arm 2 arranged below it.
  • a pivoting device S1 is formed from a four-bar linkage, in which the rollers or sliding bodies 22 are attached to the coupling a and the arcuate guideways 21 are part of the coupling b.
  • the tooth standards 14 of the guideways 21 and the rollers 22 intersect at the momentary pole, which at the same time represents an axis of rotation D about which the couplers a and b can be pivoted.
  • Fig. 30 shows a Schwenlcvorraum S1 with a straight guide track 21 and a roller 22 whose path normal 14 intersect with the straight line 140 of a handlebar 4 and in the intersection of which is the instantaneous pole and a pivot axis D.
  • FIG. 31 shows an embodiment similar to that shown in FIG. 30, but with an arcuate guideway 21, whereas FIG. 32 has an overhead straight guideway 21.
  • the links 4 are designed as leaf springs and are firmly clamped at the coupling points 37 on the coupling a and on the coupling b. Due to the elasticity of the links 4 designed as leaf springs in one plane, pivoting movements about a preheating axis D are permitted. The leaf springs can also cause a return to the normal position.
  • a coupling aa has four articulation points and which represent the corner points for a quadrilateral to which the links 4 'are articulated in a ball joint. At the other end of the handlebars 4 'they are at the articulation points 20 which form a smaller square a coupling bb also articulated in a ball joint.
  • the plane of the front link 4 ' intersects with the plane of the rear link 4' in an axis of rotation D1, the position of which is determined in relation to the direction of travel R.
  • the axis of rotation D3 lies at the intersection of the planes of the links 4 'arranged laterally from the center.
  • the axes of rotation D1 and D3 can also lie at the intersection of the straight line or path normal 14 of the link 4 '.
  • Fig. 35 shows a further swiveling device 52 formed from a spatial link mechanism which has three links 4 'which are articulated at the articulation points 19 of a coupling, which represent the triangles of a triangle, and which converge spatially obliquely downwards and at the lower end by also articulated articulation the hinge points 20 belonging to a coupling bb, which represent the corner points for a smaller triangle.
  • This configuration enables swivel movements in a simple manner, for example about two axes of rotation D which lie at the intersection of the straight line 14 of the control arms 4 '.
  • the coupling aa can be part of an upper link 5 and the coupling bb can be part of a quick coupling triangle 6.
  • the Schwenlcvortechnisch S2 is also formed from a spatial link transmission.
  • the coupling aa represents a toil of the buckle coupling cable 6 and has three articulation points 19 and the coupling bb belonging to the upper link 5 likewise has three articulation points 20 at which the links 4 'are articulated and connect the quick coupling triangle 6 and the upper link 5.
  • This configuration allows pivoting movements about the axis of rotation D1 and D3.
  • the swivel device S2 shown in FIG. 37 has a coupling aa with articulation points 19 which represents the corner points for an elongated rectangle and a coupling bb with articulation points 20 which represent the corner points for an upright rectangle.
  • the links 4 'establish the connection between the tufts aa and bb by means of ball-and-socket articulation at the articulation points 19, 20. This allows pivoting movements about an approximately vertical axis of rotation D2 and a lying axis of rotation D1.
  • the couplers aa and bb can be pivoted in their plane in two intersecting directions. The straight lines of the links 4 'intersect and determine an axis of rotation D1 and D2 at their intersection points.
  • the armlubarm 2 shown in plan view in FIG. 3S is provided with a swiveling device S1
  • Fig. 39 shows one from the side.
  • Vehicle 1 attached mounting frame 45 to which a quick coupling triangle 6 is connected by means of an intermediate pivoting device S1.
  • the pivoting device S1 is formed by two lower links 4 and one or two upper links 4 and the middle joints 3 are articulated on the mounting space 45 and on the quick coupling triangle 6 such that the intersection; its straight line 14 determines the position of an axis of rotation D1 which lies below the floor surface 11 and also represents the ideal pushing and pulling point for an attachment 12.
  • an attachment 12 can pivot about the axis of rotation D1 and can also easily adapt it to a wavy Eoden surface 11, particularly in the case of Querweli ⁇ n. If the joints 3 of the swivel device are designed to be ball-and-socket, swivel movements of an attachment 12 are also possible about a longitudinal axis D3.
  • a mounting frame 45 is mounted on two lifting arms 2, only one of which is shown, and an upper link 5 on a vehicle 1.
  • the upper link 5 is pivotally coupled to the mounting frame 45 by means of a pivoting device S1.
  • the axis of rotation D1 associated with this swiveling device S1 is relatively high and represents the ideal pulling point for the upper link 5 in overrun mode and has the effect that ⁇ is pressed downward by the driving resistance of the upper link 5 onto the mounting frame 45 and this and the attachment 12 are additionally loaded. If the mounting frame 45 is raised and brought into the transport position, the upper link 5 and the link 4 pivot such that the associated axis of rotation D1 moves downward.
  • a pivoting device 32 is interposed between the mounting frame 45 and the quick coupling triangle 6.
  • the mounting frame 45 has a guide track 21 on each side, of which only one can be seen. Rollers 22 are guided in these guideways 21 and are associated with the quick coupling triangle 6.
  • a link 4 ' provides a further connection between the mounting frame 45 and the via ball-and-socket articulation at the articulation points 19, 20 Quick coupling triangle a ner.
  • the straight lines l4 of the handlebar 4 'and the cream standards 14 of the guideways 21 and the rollers 22 form at the intersection a pivot axis D1 which allows pivoting movements and which lies above the floor surface 11, approximately in the center of an attachment 12. Both rollers 22 can be moved up and down independently of one another, so that pivoting movements about an axis of rotation D3 lying in the longitudinal direction of the vehicle are also possible.
  • a swiveling device S2 is interposed between a mounting frame 45 hinged to the lifting arms 2 and a quick coupling triangle 6 and allows the swiveling movements between the two about a transverse axis D1 and a longitudinal axis D3.
  • articulation points 19 are provided on the mounting frame 45, to which the link 4 'is articulated and at the other end by articulation at the articulation points 20 establish the connection to the quick coupling triangle 6.
  • the boidon lower hinge points 20 are held by arms 6 which are associated with the quick coupling triangle.
  • the arrangement of the links 4 ' is such that the plane of the straight lines of the first links 4' intersects with the lines 14 of the upper links 4 'and determines an axis of rotation D1 at the intersection, whereas the lines 14 of the lower links 4' in an axis of rotation D3 intersect.
  • This configuration ensures that when the vehicle is in overrun in the direction of travel R and also in the transport position, all of the links 4 'are under tension and the quick coupling triangle 6 automatically strives for a normal position relative to the mounting frame 45.
  • 43 are on both sides of a quick-coupling triangle 6 on the joints 25 in the direction of travel extendable kink 25 with articulations 7 articulated vertically. When coasting in the direction of travel R, this swiveling device S3 allows swiveling movements of the quick coupling triangle about a longitudinal axis D3.
  • the mowing table can be permanently attached to the feed shaft 39 or in the section be held on the feed shaft 39 so as to be pivotable about an axis of rotation D3 extending approximately in the longitudinal direction of the vehicle.
  • a switch S1 or S4 can be used for this purpose.
  • the sewing table preferably has curved guideways 40 with slidable shoes 41 held thereon, and those by means of joints 7 on the lifting arms 2 provided on each side of the vehicle are articulated.
  • the cube arms 2 can be pivoted vertically by means of pivot devices S1 and: an axis of rotation D1 lying below the surface 11 of the electrode.
  • the pivot devices S1 are formed by the link 4, via the joints 3, of a pivot connection between aeroupe b belonging to a cube arm 2 and one belonging to a vehicle g 1 Koppel a produces.
  • Link 4 determine the position of an axis of rotation D1 at the intersection. Is it due to bumps or other sudden obstacles at a point of contact between the 41 and the
  • Soil surface 11 to a frictional resistance which acts on the linkage 7 against the direction of travel to the rear, so the pivoting devices 51 are braced and exerted on the linkage 2 and the linkage 7 and upward moment and transmitted to the attachment 12.
  • the attachment 12 is raised by means of a lifting device (not shown) and each cubic arm 2 is also pivoted upward, the axes of rotation D1 also move upward.
  • the slide shoe 41 can almost be connected to a lifting arm 2 and be part of the same, even without an articulated connection 7.
  • a lifting arm 2 is mounted on a vehicle 1 so that it can be pivoted in height by means of a pivoting device S1.
  • the coupling a forms a unit with the lifting arm 2, whereas the coupling b is firmly connected to the vehicle 1 and forms part of the same.
  • the handlebars 4 establish the connection between the coupling a and b via joints 3.
  • the axis of rotation D1 lies at the intersection of the straight line 14 of the link 4 and represents the thrust or. Tension point for the lifting arm 2. If the lifting arm 2 is pivoted, the axis of rotation D1 also moves such that it is always approximately at the level of the linkage 7.
  • the attachment 12 is designed as a mower and is held on both sides by articulations 7 on lifting arms 2 and attached to the vehicle 1 by means of intermediate pivoting devices S1 .
  • the top link 5 establishes a further connection between the vehicle 1 and the mower 12 via articulations 8, 10.
  • the thrust line 2 'goes from the axis of rotation D1 to the articulation 7, so that the mower 12 is relieved in relation to the sliding resistance against the ground surface 11 in the direction of travel R.
  • the mower 12 can also be pivoted about a longitudinal axis D3.
  • an attachment 12 designed as a sweeping brush is pivotably held on a vehicle 1 by means of a pivoting device S1.
  • the attachment 12 is relieved in the direction of travel R and additionally loaded in the opposite direction of travel.
  • the attachment 12 is designed as a sweeping roller and is attached to a lifting arm 2 on both sides.
  • Fig. 4 8 shows a cleaning machine from above.
  • Both attachments 12 designed as cleaning tools are attached to associated lifting arms 2 and are held on the vehicle 1 by means of a pivoting device S1 so as to be pivotable about an upright axis of rotation D2.
  • the axis of rotation D2 moves and can assume a position D2 '. 50
  • the lifting arms 2 of a three-point hitch are pivotally attached to the vehicle 1 by means of pivoting devices S1.
  • the attachment 12 is designed as a sweeping roller.
  • a mounting frame 6, which can be designed as a quick coupling triangle or can be part of an attachment 12 is coupled to the two lifting arms 2 on both sides by means of pivoting devices S1.
  • the push or pull line 2 'for the attached mower 12 goes from the linkage 9 through the ideal axis of rotation D1 of the swivel device S1.
  • the handlebars 4 can be adjustable in length. This embodiment brings about a resistance-dependent weight relief of the mower 12 in overrun mode.
  • link 4 establish a connection between the lifting arms 2 and a quick coupling triangle 6 via joints 3 and thereby form two pivoting devices S1 with an ideal axis of rotation D1 which lies at the intersection of the straight line of the link 4.
  • the position of the ideal rotary axis D1 can be adjusted by changing the length of the handlebars 4 or by corresponding articulation at articulation points 3a.
  • Swivel connection is established and formed by the lifting arms having 2 guide tracks 21 in which guide rollers 22 are guided and these are associated with the quick coupling triangle 6.
  • the design of the guideways 21 is such that its path normal 14 determine the position of the ideal axis of rotation D1 at the intersection.
  • the lifting arms 2 can be rotated by 180 degrees, so that the ideal axis of rotation D1 is at the bottom.
  • 54 forms the connection between the lifting arms 2 and the quick coupling triangle 6 and has a low-lying ideal rotational axis D1 which lies at the intersection of the straight line 14 of the handlebars 4.
  • the traction line 2 'running through the ideal axis of rotation D1 and the linkage 9 is inclined. As a result, an upward or downward force acts on the lifting arms 2 and the quick coupling triangle in accordance with the direction of pull.
  • FIG. 55 shows an upper link 5 with an integrated swivel device S1 and an ideal rotational axis D1 lying underneath which lies at the intersection of the normal line 14 of the guideways 21 and which are associated with the part connected to the quick coupling triangle 6.
  • the guide rollers 22 guided in the guideways 21 are attached to the part of the upper link 5 'which has the articulation 10.
  • the push or pull line 5 ' intersects the linkage 10 and the ideal axis of rotation D1. If the upper link 5 is rotated by approximately 180 degrees, the ideal axis of rotation comes into a position S1 '.
  • a link 4 is provided with an adjusting spindle and is adjustable in length.
  • 57 shows the profile cross section of a quick coupling triangle 6 and that of a device triangle belonging to an attachment 12.
  • the mutually associated contact surfaces 6 ', 12' are converging. This makes coupling easier and a firm connection is achieved.
  • the swiveling devices S1, S2, S3 can be designed such that they allow a change in position of at least one ideal axis of rotation D1, D2, D3 or the instantaneous pole during swiveling movements.
  • 58 shows an upper link 5 which is held on the vehicle 1 by means of a swiveling device S1 and the ideal axis of rotation D1 lies in front of the linkage 8 and lower than this.
  • a lifting arm 2 is pivotally held on the vehicle 1 by means of a pivoting device S1, the ideal axis of rotation D1 being in front of a linkage 7 and higher than this.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Zoology (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Machines (AREA)

Abstract

Dispositif pour véhicules et machines, tels que tracteurs, camions, machines agricoles et machines de travaux publics et analogues, destiné à ajouter et à enlever des équipements agricoles et des machines, présentant au moins deux bras montés pivotants dans le sens de la hauteur, un ou plusieurs dispositifs de pivotement (S1, S2, S3) étant intercalés entre des bras élévateurs (2) et/ou des bras oscillants supérieurs (5) et/ou des articulations (7) et un véhicule (1) et/ou un triangle d'attelage à accouplement rapide (6) et/ou un équipement agricole (12) et/ou un châssis auxiliaire (45) et/ou entre un châssis auxiliaire (45) et un triangle d'attelage à accouplement rapide (6), lesdits dispositifs intercalés permettant d'effectuer des mouvements de pivotement autour d'un ou de plusieurs axes (D1, D2, D3, D4), lesdits axes étant disposés à peu près dans le sens longitudinal du véhicule et/ou à peu près perpendiculairement à ce sens et/ou s'étendant à peu près perpendiculairement et/ou obliquement.
PCT/EP1991/001581 1991-08-20 1991-08-20 Dispositif pour vehicules et machines WO1993003597A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP1991/001581 WO1993003597A2 (fr) 1991-08-20 1991-08-20 Dispositif pour vehicules et machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP1991/001581 WO1993003597A2 (fr) 1991-08-20 1991-08-20 Dispositif pour vehicules et machines

Publications (2)

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WO1993003597A2 true WO1993003597A2 (fr) 1993-03-04
WO1993003597A3 WO1993003597A3 (fr) 1993-04-01

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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1131443B (de) * 1955-05-11 1962-06-14 Rabewerk Clausing Heinrich Befestigung von Anbauwechselpfluegen an der Koppel eines Dreipunktgestaenges
GB1014385A (en) * 1962-10-23 1965-12-22 Leslie Francis Little Improvements relating to earth-working equipment
FR2297286A1 (fr) * 1975-01-07 1976-08-06 Materiel De Voirie Vehicule de nettoyage pour la voirie
GB2147782A (en) * 1983-10-08 1985-05-22 Lemken Kg Pflugfab Trailer unit for ploughs or tractors
GB2175484A (en) * 1985-04-25 1986-12-03 Prlugfabrik Lemken Kg Agricultural cultivator
DE3601619A1 (de) * 1986-01-21 1987-07-30 Franz Einsiedler Front- bzw. heckhydraulik fuer schlepper in der land- und forstwirtschaft und entsprechend arbeitende maschinen
WO1989008380A2 (fr) * 1988-03-14 1989-09-21 Josef Nusser Moissonneuse ou faneur agricoles
DE3829789A1 (de) * 1988-09-02 1990-03-15 Josef Nusser Vorrichtung fuer erntemaschinen
DE4018832A1 (de) * 1989-08-08 1991-02-14 Josef Nusser Schneepflug mit raeumschar
DE9016081U1 (de) * 1990-11-27 1991-02-14 H. Niemeyer Söhne GmbH & Co KG, 4446 Hörstel Mähmaschine
DE4025149A1 (de) * 1989-08-08 1991-02-14 Josef Nusser Maschine oder geraet zur bodenbearbeitung, bestellung und ernte, zum raeumen und kehren von strassen, sowie zum planieren und flaechenhaften verfestigen von erdboden und baustoffen
WO1991012709A1 (fr) * 1990-02-20 1991-09-05 Josef Nusser Dispositif pour moissonneuse-batteuse ou ramasseuse-chargeuse
WO1991019858A1 (fr) * 1990-06-13 1991-12-26 Josef Nusser Chasse-neige
WO1992002689A1 (fr) * 1990-08-08 1992-02-20 Josef Nusser Machine a nettoyer

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1131443B (de) * 1955-05-11 1962-06-14 Rabewerk Clausing Heinrich Befestigung von Anbauwechselpfluegen an der Koppel eines Dreipunktgestaenges
GB1014385A (en) * 1962-10-23 1965-12-22 Leslie Francis Little Improvements relating to earth-working equipment
FR2297286A1 (fr) * 1975-01-07 1976-08-06 Materiel De Voirie Vehicule de nettoyage pour la voirie
GB2147782A (en) * 1983-10-08 1985-05-22 Lemken Kg Pflugfab Trailer unit for ploughs or tractors
GB2175484A (en) * 1985-04-25 1986-12-03 Prlugfabrik Lemken Kg Agricultural cultivator
DE3601619A1 (de) * 1986-01-21 1987-07-30 Franz Einsiedler Front- bzw. heckhydraulik fuer schlepper in der land- und forstwirtschaft und entsprechend arbeitende maschinen
WO1989008380A2 (fr) * 1988-03-14 1989-09-21 Josef Nusser Moissonneuse ou faneur agricoles
DE3829789A1 (de) * 1988-09-02 1990-03-15 Josef Nusser Vorrichtung fuer erntemaschinen
DE4018832A1 (de) * 1989-08-08 1991-02-14 Josef Nusser Schneepflug mit raeumschar
DE4025149A1 (de) * 1989-08-08 1991-02-14 Josef Nusser Maschine oder geraet zur bodenbearbeitung, bestellung und ernte, zum raeumen und kehren von strassen, sowie zum planieren und flaechenhaften verfestigen von erdboden und baustoffen
WO1991012709A1 (fr) * 1990-02-20 1991-09-05 Josef Nusser Dispositif pour moissonneuse-batteuse ou ramasseuse-chargeuse
WO1991019858A1 (fr) * 1990-06-13 1991-12-26 Josef Nusser Chasse-neige
WO1992002689A1 (fr) * 1990-08-08 1992-02-20 Josef Nusser Machine a nettoyer
DE9016081U1 (de) * 1990-11-27 1991-02-14 H. Niemeyer Söhne GmbH & Co KG, 4446 Hörstel Mähmaschine

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